Sunan an-Nasa'i 5722
سنن النسائي#5722Sahihأَخْبَرَنَا سُوَيْدٌ، قَالَ أَنْبَأَنَا عَبْدُ اللَّهِ، عَنْ سُفْيَانَ، عَنْ يَعْلَى بْنِ عَطَاءٍ، قَالَ سَمِعْتُ سَعِيدَ بْنَ الْمُسَيَّبِ، وَسَأَلَهُ، أَعْرَابِيٌّ عَنْ شَرَابٍ، يُطْبَخُ عَلَى النِّصْفِ فَقَالَ لاَ حَتَّى يَذْهَبَ ثُلُثَاهُ وَيَبْقَى الثُّلُثُ .
It was narrated that Ya'la bin 'Ata' said:"I heard Sa'eed bin Al-Musayyab say, when a Bedouin asked him about a drink that had been cooked and reduced by half: 'No, not until two-third has gone and one-third is left
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
In-book reference: 51:184